Brendan LE GLAUNEC
5849898283
Unit tests functional and coverage back to 100% Add more routes to dictionary, add more credentials, add default port 5554, rename cameradar logs ENV variable, improve unit test readability, remove tmp file
135 lines
3.1 KiB
Go
135 lines
3.1 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build linux
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package unix_test
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import (
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"bytes"
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"go/build"
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"net"
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"os"
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"testing"
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"golang.org/x/sys/unix"
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)
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// TestSCMCredentials tests the sending and receiving of credentials
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// (PID, UID, GID) in an ancillary message between two UNIX
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// sockets. The SO_PASSCRED socket option is enabled on the sending
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// socket for this to work.
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func TestSCMCredentials(t *testing.T) {
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socketTypeTests := []struct {
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socketType int
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dataLen int
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}{
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{
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unix.SOCK_STREAM,
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1,
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}, {
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unix.SOCK_DGRAM,
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0,
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},
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}
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for _, tt := range socketTypeTests {
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if tt.socketType == unix.SOCK_DGRAM && !atLeast1p10() {
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t.Log("skipping DGRAM test on pre-1.10")
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continue
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}
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fds, err := unix.Socketpair(unix.AF_LOCAL, tt.socketType, 0)
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if err != nil {
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t.Fatalf("Socketpair: %v", err)
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}
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defer unix.Close(fds[0])
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defer unix.Close(fds[1])
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err = unix.SetsockoptInt(fds[0], unix.SOL_SOCKET, unix.SO_PASSCRED, 1)
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if err != nil {
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t.Fatalf("SetsockoptInt: %v", err)
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}
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srvFile := os.NewFile(uintptr(fds[0]), "server")
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defer srvFile.Close()
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srv, err := net.FileConn(srvFile)
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if err != nil {
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t.Errorf("FileConn: %v", err)
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return
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}
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defer srv.Close()
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cliFile := os.NewFile(uintptr(fds[1]), "client")
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defer cliFile.Close()
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cli, err := net.FileConn(cliFile)
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if err != nil {
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t.Errorf("FileConn: %v", err)
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return
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}
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defer cli.Close()
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var ucred unix.Ucred
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ucred.Pid = int32(os.Getpid())
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ucred.Uid = uint32(os.Getuid())
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ucred.Gid = uint32(os.Getgid())
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oob := unix.UnixCredentials(&ucred)
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// On SOCK_STREAM, this is internally going to send a dummy byte
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n, oobn, err := cli.(*net.UnixConn).WriteMsgUnix(nil, oob, nil)
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if err != nil {
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t.Fatalf("WriteMsgUnix: %v", err)
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}
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if n != 0 {
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t.Fatalf("WriteMsgUnix n = %d, want 0", n)
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}
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if oobn != len(oob) {
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t.Fatalf("WriteMsgUnix oobn = %d, want %d", oobn, len(oob))
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}
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oob2 := make([]byte, 10*len(oob))
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n, oobn2, flags, _, err := srv.(*net.UnixConn).ReadMsgUnix(nil, oob2)
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if err != nil {
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t.Fatalf("ReadMsgUnix: %v", err)
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}
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if flags != 0 {
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t.Fatalf("ReadMsgUnix flags = 0x%x, want 0", flags)
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}
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if n != tt.dataLen {
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t.Fatalf("ReadMsgUnix n = %d, want %d", n, tt.dataLen)
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}
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if oobn2 != oobn {
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// without SO_PASSCRED set on the socket, ReadMsgUnix will
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// return zero oob bytes
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t.Fatalf("ReadMsgUnix oobn = %d, want %d", oobn2, oobn)
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}
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oob2 = oob2[:oobn2]
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if !bytes.Equal(oob, oob2) {
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t.Fatal("ReadMsgUnix oob bytes don't match")
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}
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scm, err := unix.ParseSocketControlMessage(oob2)
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if err != nil {
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t.Fatalf("ParseSocketControlMessage: %v", err)
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}
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newUcred, err := unix.ParseUnixCredentials(&scm[0])
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if err != nil {
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t.Fatalf("ParseUnixCredentials: %v", err)
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}
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if *newUcred != ucred {
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t.Fatalf("ParseUnixCredentials = %+v, want %+v", newUcred, ucred)
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}
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}
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}
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// atLeast1p10 reports whether we are running on Go 1.10 or later.
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func atLeast1p10() bool {
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for _, ver := range build.Default.ReleaseTags {
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if ver == "go1.10" {
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return true
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}
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}
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return false
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}
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